void CreateAndAddAdornment(ITextViewLine line, SnapshotSpan span, Brush brush, bool extendToRight)
{
var markerGeometry = _view.TextViewLines.GetMarkerGeometry(span);
double left = 0;
double width = _view.ViewportWidth + _view.MaxTextRightCoordinate;
if (markerGeometry != null)
{
left = markerGeometry.Bounds.Left;
if (!extendToRight) width = markerGeometry.Bounds.Width;
}
Rect rect = new Rect(left, line.Top, width, line.Height);
RectangleGeometry geometry = new RectangleGeometry(rect);
GeometryDrawing drawing = new GeometryDrawing(brush, new Pen(), geometry);
drawing.Freeze();
DrawingImage drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
Image image = new Image();
image.Source = drawingImage;
Canvas.SetLeft(image, geometry.Bounds.Left);
Canvas.SetTop(image, geometry.Bounds.Top);
_layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, image, null);
}
protected override void DrawCore(DrawingContext drawingContext, DrawingAttributes drawingAttributes)
{
if (drawingContext == null)
{
throw new ArgumentNullException("drawingContext");
}
if (null == drawingAttributes)
{
throw new ArgumentNullException("drawingAttributes");
}
Pen pen = new Pen
{
StartLineCap = PenLineCap.Round,
EndLineCap = PenLineCap.Round,
Brush = new SolidColorBrush(drawingAttributes.Color),
Thickness = drawingAttributes.Width
};
BrushConverter bc = new BrushConverter();
Brush BackGround = (Brush)bc.ConvertFromString(drawingAttributes.GetPropertyData(DrawAttributesGuid.BackgroundColor).ToString());
GeometryConverter gc = new GeometryConverter();
Geometry geometry = (Geometry)gc.ConvertFromString(string.Format("M {0},{1} {2},{3} {4},{5} Z", StylusPoints[0].X, StylusPoints[1].Y, (Math.Abs(StylusPoints[1].X - StylusPoints[0].X))/2 + StylusPoints[0].X, StylusPoints[0].Y, StylusPoints[1].X, StylusPoints[1].Y));
GeometryDrawing gd = new GeometryDrawing(BackGround, pen, geometry);
drawingContext.DrawDrawing(gd);
}
/// <summary>
/// Create an Arc geometry drawing of an ellipse or circle
/// </summary>
/// <param name="rect">Box to hold the whole ellipse described by the arc</param>
/// <param name="startDegrees">Start angle of the arc degrees within the ellipse. 0 degrees is a line to the right.</param>
/// <param name="sweepDegrees">Sweep angle, -ve = Counterclockwise, +ve = Clockwise</param>
/// <returns>GeometryDrawing object</returns>
private static GeometryDrawing CreateArcDrawing(Rect rect, double startDegrees, double sweepDegrees)
{
// degrees to radians conversion
double startRadians = startDegrees * Math.PI / 180.0;
double sweepRadians = sweepDegrees * Math.PI / 180.0;
// x and y radius
double dx = rect.Width / 2;
double dy = rect.Height / 2;
// determine the start point
double xs = rect.X + dx + (Math.Cos(startRadians) * dx);
double ys = rect.Y + dy + (Math.Sin(startRadians) * dy);
// determine the end point
double xe = rect.X + dx + (Math.Cos(startRadians + sweepRadians) * dx);
double ye = rect.Y + dy + (Math.Sin(startRadians + sweepRadians) * dy);
// draw the arc into a stream geometry
StreamGeometry streamGeom = new StreamGeometry();
using (StreamGeometryContext ctx = streamGeom.Open())
{
bool isLargeArc = Math.Abs(sweepDegrees) > 180;
SweepDirection sweepDirection = sweepDegrees < 0 ? SweepDirection.Counterclockwise : SweepDirection.Clockwise;
ctx.BeginFigure(new Point(xs, ys), false, false);
ctx.ArcTo(new Point(xe, ye), new Size(dx, dy), 0, isLargeArc, sweepDirection, true, false);
}
// create the drawing
GeometryDrawing drawing = new GeometryDrawing();
drawing.Geometry = streamGeom;
return drawing;
}
/// <summary>
/// Creates a square image and attaches an event handler to the layout changed event that
/// adds the the square in the upper right-hand corner of the TextView via the adornment layer
/// </summary>
/// <param name="view">The <see cref="IWpfTextView"/> upon which the adornment will be drawn</param>
public TranslationAdornment(IWpfTextView view)
{
_view = view;
Brush brush = new SolidColorBrush(Colors.BlueViolet);
brush.Freeze();
Brush penBrush = new SolidColorBrush(Colors.Red);
penBrush.Freeze();
Pen pen = new Pen(penBrush, 0.5);
pen.Freeze();
//draw a square with the created brush and pen
System.Windows.Rect r = new System.Windows.Rect(0, 0, 30, 30);
Geometry g = new RectangleGeometry(r);
GeometryDrawing drawing = new GeometryDrawing(brush, pen, g);
drawing.Freeze();
DrawingImage drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
_image = new Image();
_image.Source = drawingImage;
//Grab a reference to the adornment layer that this adornment should be added to
_adornmentLayer = view.GetAdornmentLayer("TranslationAdornment");
_view.ViewportHeightChanged += delegate { this.onSizeChange(); };
_view.ViewportWidthChanged += delegate { this.onSizeChange(); };
}
public static Pen CreateErrorPen(Color color)
{
var geometry = new StreamGeometry();
using (var context = geometry.Open())
{
context.BeginFigure(new Point(-1, 0), false, false);
context.PolyLineTo(new[] {
new Point(-0.5, 0.4),
new Point(0, 0),
new Point(0.5, -0.4),
new Point(1, 0),
}, true, true);
}
var brushPattern = new GeometryDrawing
{
Pen = new Pen(new SolidColorBrush(color), 0.4),
Geometry = geometry
};
var brush = new DrawingBrush(brushPattern)
{
TileMode = TileMode.Tile,
Viewport = new Rect(-1, -1, 2, 2),
ViewportUnits = BrushMappingMode.Absolute,
Viewbox = new Rect(-1, -1, 2, 2),
ViewboxUnits = BrushMappingMode.Absolute,
};
var pen = new Pen(brush, 3.0);
pen.Freeze();
return pen;
}
private Brush CreateARectangleWithDrawingBrush()
{
// Create a DrawingBrush
DrawingBrush blackBrush = new DrawingBrush();
// Create a Geometry with white background
GeometryDrawing backgroundSquare =
new GeometryDrawing(
Brushes.DarkGray,
null,
new RectangleGeometry(new Rect(0, 0, 400, 400)));
// Create a GeometryGroup that will be added to Geometry
GeometryGroup gGroup = new GeometryGroup();
gGroup.Children.Add(new RectangleGeometry(new Rect(0, 0, 200, 200)));
gGroup.Children.Add(new RectangleGeometry(new Rect(200, 200, 200, 200)));
// Create a GeomertyDrawing
GeometryDrawing checkers = new GeometryDrawing(new SolidColorBrush(Colors.Gray), null, gGroup);
DrawingGroup checkersDrawingGroup = new DrawingGroup();
checkersDrawingGroup.Children.Add(backgroundSquare);
checkersDrawingGroup.Children.Add(checkers);
blackBrush.Drawing = checkersDrawingGroup;
// Set Viewport and TimeMode
blackBrush.Viewport = new Rect(0, 0, 0.1, 0.2);
blackBrush.TileMode = TileMode.Tile;
return blackBrush;
}
public static Sm.Drawing ToGeometryDrawing(this Shape input)
{
Sm.GeometryDrawing geometryDrawing = new Sm.GeometryDrawing();
Sm.GeometryGroup drawing = new Sm.GeometryGroup();
if (input.IsCompound)
{
foreach (Geometry geo in input.Geometries)
{
Sm.Geometry geometry = geo.ToGeometry();
drawing.Children.Add(geometry);
}
}
else
{
Sm.Geometry geometry = input.ToGeometry();
drawing.Children.Add(geometry);
}
geometryDrawing.Geometry = drawing;
geometryDrawing.Pen = input.Graphic.Stroke.ToMediaPen();
geometryDrawing.Brush = input.Graphic.Fill.ToMediaBrush();
Sm.DrawingGroup drawingGroup = new Sm.DrawingGroup();
drawingGroup.Children.Add(geometryDrawing);
return(drawingGroup);
}
public void AddDecorationError(BasePropertyDeclarationSyntax _property, string textFull, string toolTipText, FixErrorCallback errorCallback)
{
var lineSpan = tree.GetLineSpan(_property.Span, usePreprocessorDirectives: false);
int lineNumber = lineSpan.StartLinePosition.Line;
var line = _textView.TextSnapshot.GetLineFromLineNumber(lineNumber);
var textViewLine = _textView.GetTextViewLineContainingBufferPosition(line.Start);
int startSpace = textFull.Length - textFull.TrimStart().Length;
int endSpace = textFull.Length - textFull.TrimEnd().Length;
SnapshotSpan span = new SnapshotSpan(_textView.TextSnapshot, Span.FromBounds(line.Start.Position + startSpace, line.End.Position - endSpace));
Geometry g = _textView.TextViewLines.GetMarkerGeometry(span);
if (g != null)
{
rects.Add(g.Bounds);
GeometryDrawing drawing = new GeometryDrawing(_brush, _pen, g);
drawing.Freeze();
DrawingImage drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
Image image = new Image();
image.Source = drawingImage;
//image.Visibility = Visibility.Hidden;
Canvas.SetLeft(image, g.Bounds.Left);
Canvas.SetTop(image, g.Bounds.Top);
_layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, image, (t, ui) =>
{
rects.Remove(g.Bounds);
});
DrawIcon(span, g.Bounds.Left - 30, g.Bounds.Top, toolTipText, errorCallback);
}
}
GeometryDrawing CreateGeometryDrawing()
{
//http://msdn.microsoft.com/en-us/library/system.windows.media.geometrydrawing.aspx
GeometryGroup ellipses = new GeometryGroup();
ellipses.Children.Add(
new EllipseGeometry(new Point(200, 200), 45, 20)
);
ellipses.Children.Add(
new EllipseGeometry(new Point(200, 200), 20, 45)
);
GeometryDrawing aGeometryDrawing = new GeometryDrawing();
aGeometryDrawing.Geometry = ellipses;
// Paint the drawing with a gradient.
aGeometryDrawing.Brush =
new LinearGradientBrush(
Colors.Blue,
Color.FromRgb(204, 204, 255),
new Point(0, 0),
new Point(1, 1));
return aGeometryDrawing;
}
private Drawing createDrawingWithFrameRectangleGeometry()
{
GeometryDrawing drawing = new GeometryDrawing();
drawing.Pen = new Pen(Brushes.Black, 1);
drawing.Geometry = buildFrameRectangle();
return drawing;
}
private Drawing createDrawingWithGroupGemoetry()
{
GeometryDrawing drawing = new GeometryDrawing();
drawing.Pen = new Pen(Brushes.Black, 1);
drawing.Geometry = buildGeometryGroup();
return drawing;
}
public void Init()
{
DrawingGroup dg = new DrawingGroup();
ImageDrawing id = new ImageDrawing(UnderlayImage, new Rect(0, 0, UnderlayImage.PixelWidth, UnderlayImage.PixelHeight));
dg.Children.Add(id);
pointsGeometryGroup = new GeometryGroup();
linesGeometryGroup = new GeometryGroup();
middlePointGeoGrp = new GeometryGroup();
if (points != null)
{
SetPointsGeometry();
}
GeometryDrawing gd = new GeometryDrawing(Brushes.Blue, null, pointsGeometryGroup);
dg.Children.Add(gd);
GeometryDrawing gd2 = new GeometryDrawing(null, new Pen(Brushes.LightGreen,3), linesGeometryGroup);
dg.Children.Add(gd2);
GeometryDrawing gd1 = new GeometryDrawing(Brushes.Red, null, middlePointGeoGrp);
dg.Children.Add(gd1);
Brush b = new SolidColorBrush(Colors.Red);
b.Opacity = 0.5;
mousePointGeometryDrwaing = new GeometryDrawing(b, null, null);
dg.Children.Add(mousePointGeometryDrwaing);
DrawingImage di = new DrawingImage(dg);
this.Source = di;
chosenPoint = -1;
}
/// <summary>
/// Create a new abstract shape.
/// </summary>
/// <param name="Id">The Id of the shape.</param>
/// <param name="Latitude">The latitude of the shape center.</param>
/// <param name="Longitude">The longitude of the shape center.</param>
/// <param name="Altitude">The altitude of the shape center.</param>
/// <param name="GeoWidth">The geographical width of the shape center.</param>
/// <param name="GeoHeight">The geographical height of the shape center.</param>
public AShape(String[] Geometries, Latitude Latitude, Longitude Longitude, Altitude Altitude, Latitude Latitude2, Longitude Longitude2, Color StrokeColor, Double StrokeThickness, Color FillColor)
{
this.Id = Id;
this.Latitude = Latitude;
this.Longitude = Longitude;
this.Altitude = Altitude;
this.Latitude2 = Latitude2;
this.Longitude2 = Longitude2;
var PathGeometry16 = PathGeometry.Parse(Geometries[8]);
var GD16 = new GeometryDrawing(new SolidColorBrush(FillColor), new Pen(new SolidColorBrush(StrokeColor), StrokeThickness), PathGeometry16);
var DrawingGroup = new DrawingGroup();
DrawingGroup.Children.Add(GD16);
this.Fill = new DrawingBrush()
{
Drawing = DrawingGroup,
//Viewport = new Rect(0, 0, 1, 1),
TileMode = TileMode.None,
Stretch = Stretch.UniformToFill
};
Bounds = DrawingGroup.Bounds;
var w = Bounds.Width;
var h = Bounds.Height;
}
/// <summary>
/// Within the given line add the scarlet box behind the a
/// </summary>
private void CreateVisuals(ITextViewLine line)
{
//grab a reference to the lines in the current TextView
IWpfTextViewLineCollection textViewLines = _view.TextViewLines;
int start = line.Start;
int end = line.End;
//Loop through each character, and place a box around any a
for (int i = start; (i < end); ++i)
{
if (_view.TextSnapshot[i] == 'a')
{
SnapshotSpan span = new SnapshotSpan(_view.TextSnapshot, Span.FromBounds(i, i + 1));
Geometry g = textViewLines.GetMarkerGeometry(span);
if (g != null)
{
GeometryDrawing drawing = new GeometryDrawing(_brush, _pen, g);
drawing.Freeze();
DrawingImage drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
Image image = new Image();
image.Source = drawingImage;
//Align the image with the top of the bounds of the text geometry
Canvas.SetLeft(image, g.Bounds.Left);
Canvas.SetTop(image, g.Bounds.Top);
_layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, span, null, image, null);
}
}
}
}
public MainWindow()
{
InitializeComponent();
drawingGroup = new DrawingGroup();
// Создаем объект для описания геометрической фигуры
GeometryDrawing geometryDrawing = new GeometryDrawing();
// Описываем и сохраняем геометрию квадрата
RectangleGeometry rectGeometry = new RectangleGeometry();
rectGeometry.Rect = new Rect(0, 0, 10, 10);
geometryDrawing.Geometry = rectGeometry;
// Настраиваем перо и кисть
geometryDrawing.Pen = new Pen(Brushes.Red, 0.005);// Перо рамки
geometryDrawing.Brush = Brushes.LightBlue;// Кисть закраски
// Добавляем готовый слой в контейнер отображения
drawingGroup.Children.Add(geometryDrawing);
GeometryDrawing ellipsgeomy = new GeometryDrawing();
EllipseGeometry elgeometry = new EllipseGeometry(new Point(5, 5), 2, 2);
ellipsgeomy.Geometry = elgeometry;
ellipsgeomy.Brush = Brushes.White;
drawingGroup.Children.Add(ellipsgeomy);
}
public void SetFillBrush()
{
DrawingGroup rootDrawingGroup = new DrawingGroup();
GeometryDrawing aDrawing = new GeometryDrawing();
aDrawing.Brush = Brushes.Gray.CloneCurrentValue();
aDrawing.Pen = new Pen(Brushes.Gray, 1);
aDrawing.Brush.Opacity = .5;
aDrawing.Geometry = Primitives.PolygonLine(WallElementDetails.StartPoint, WallElementDetails.EndPoint, 10, 10);
rootDrawingGroup.Children.Add(aDrawing);
//create a transition line
GeometryDrawing aCenterLine = new GeometryDrawing();
aCenterLine.Brush = Brushs.WallBoundaryStroke;
aCenterLine.Pen = Pens.WallBoundaryStroke;
aCenterLine.Geometry = Primitives.Line(WallElementDetails.StartPoint, WallElementDetails.EndPoint);
rootDrawingGroup.Children.Add(aCenterLine);
DrawingBrush brush = new DrawingBrush(rootDrawingGroup);
this.Fill = brush;
}
public AreaSeries2D()
{
// 初始化保存数据点的变量
_points = new SeriesPointCollection();
_points.CollectionChanged += _points_CollectionChanged;
// 初始化绘制曲线的画板
gStream_Line = new StreamGeometry();
gStream_Area = new StreamGeometry();
gDrawing_Line = new GeometryDrawing();
gDrawing_Line.Brush = null;
gDrawing_Line.Pen = new Pen()
{
Thickness = 1,
Brush = Brushes.Black
};
gDrawing_Line.Geometry = gStream_Line;
/* 初始化绘制填充色的画板 */
gDrawing_Area = new GeometryDrawing();
gDrawing_Area.Brush = Brushes.Red;
gDrawing_Area.Pen = new Pen()
{
Thickness = 0,
Brush = null
};
gDrawing_Area.Geometry = gStream_Area;
/* 生成绘画组 */
drawingGroup = new DrawingGroup();
drawingGroup.Children.Add(gDrawing_Line);
drawingGroup.Children.Add(gDrawing_Area);
}
protected override void OnRender(System.Windows.Media.DrawingContext drawingContext)
{
base.OnRender(drawingContext);
// allows the points to be rendered as an image that can be further manipulated
PathGeometry geometry = new PathGeometry();
this.Siz
// Add all points to the geometry
foreach (Points pointXY in _points)
{
PathFigure figure = new PathFigure();
figure.StartPoint = pointXY.FromPoint;
figure.Segments.Add(new LineSegment(pointXY.ToPoint, true));
geometry.Figures.Add(figure);
}
// Add the first point to close the gap from the graph's end point
// to graph's start point
PathFigure lastFigure = new PathFigure();
lastFigure.StartPoint = _points[_points.Count - 1].FromPoint;
lastFigure.Segments.Add(new LineSegment(_firstPoint, true));
geometry.Figures.Add(lastFigure);
// Create a new drawing and drawing group in order to apply
// a custom drawing effect
GeometryDrawing drawing = new GeometryDrawing(this.Pen.Brush, this.Pen, geometry);
DrawingGroup drawingGroup = new DrawingGroup();
drawingGroup.Children.Add(drawing);
}
private void PaintBackground()
{
var backgroundSquare = new GeometryDrawing(Brushes.Black, null, new RectangleGeometry(new Rect(0, 0, 100, 100)));
var aGeometryGroup = new GeometryGroup();
aGeometryGroup.Children.Add(new RectangleGeometry(new Rect(0, 0, 50, 50)));
aGeometryGroup.Children.Add(new RectangleGeometry(new Rect(50, 50, 50, 50)));
var checkerBrush = new LinearGradientBrush();
checkerBrush.GradientStops.Add(new GradientStop(Colors.Black, 0.0));
checkerBrush.GradientStops.Add(new GradientStop(Color.FromRgb(0, 22, 0), 1.0));
var checkers = new GeometryDrawing(checkerBrush, null, aGeometryGroup);
var checkersDrawingGroup = new DrawingGroup();
checkersDrawingGroup.Children.Add(backgroundSquare);
checkersDrawingGroup.Children.Add(checkers);
var myBrush = new DrawingBrush
{
Drawing = checkersDrawingGroup,
Viewport = new Rect(0, 0, 0.02, 0.02),
TileMode = TileMode.Tile,
Opacity = 0.5
};
LayoutRoot.Background = myBrush;
}
public GeometryDrawing Process()
{
GeometryDrawing drawing = new GeometryDrawing();
drawing.Brush = Brushes.Transparent;
drawing.Geometry = new RectangleGeometry(this.Value);
return drawing;
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
var ellipse = new EllipseGeometry(new Point(250, 50), 50, 50);
var drawing = new GeometryDrawing(Brushes.BlueViolet, new Pen(Brushes.Bisque, 2), ellipse);
drawingContext.DrawDrawing(drawing);
}
public static void DrawText(this DrawingGroup drawingGroup, int x, int y, string text)
{
var typeface = new Typeface("Arial");
var formattedText = new FormattedText(text, CultureInfo.CurrentUICulture,
FlowDirection.LeftToRight, typeface, 10, Brushes.Gray);
var textgeometry = formattedText.BuildGeometry(new Point(x, y));
var textDrawing = new GeometryDrawing(Brushes.Gray, new Pen(Brushes.Gray, 0), textgeometry);
drawingGroup.Children.Add(textDrawing);
}
protected override void HandleDragOver(sw.DragEventArgs e, DragEventArgs args)
{
var lastRow = LastDragRow;
base.HandleDragOver(e, args);
var info = LastDragInfo = GetDragInfo(args);
if (args.Effects != DragEffects.None)
{
// show drag indicator!
var row = GetDataGridRow(GetItemAtRow(info.Index));
if (row != null)
{
// same position, just return
if (lastRow != null && lastRow.IsEqual(row, info.InsertIndex))
{
return;
}
lastRow?.Revert();
LastDragRow = new GridDragRowState(row, info.InsertIndex);
if (info.InsertIndex == -1)
{
row.Background = sw.SystemColors.HighlightBrush;
row.Foreground = sw.SystemColors.HighlightTextBrush;
}
else
{
var d = new swm.GeometryDrawing();
var gg = new swm.GeometryGroup();
gg.Children.Add(new swm.LineGeometry(new sw.Point(0, 0), new sw.Point(row.ActualWidth, 0)));
d.Geometry = gg;
d.Brush = sw.SystemColors.HighlightBrush;
d.Pen = new swm.Pen(sw.SystemColors.HighlightBrush, 1);
var b = new swm.DrawingBrush {
Drawing = d, TileMode = swm.TileMode.None, Stretch = swm.Stretch.None, AlignmentX = swm.AlignmentX.Left
};
if (info.InsertIndex == row.GetIndex())
{
b.AlignmentY = swm.AlignmentY.Top;
row.BorderThickness = new sw.Thickness(0, 1, 0, 0);
}
else
{
b.AlignmentY = swm.AlignmentY.Bottom;
row.BorderThickness = new sw.Thickness(0, 0, 0, 1);
}
row.BorderBrush = b;
}
return;
}
}
ResetDrag();
}
public static ImageSource GetImageSourceFromAxoColor(AxoColor axoColor, int width, int height)
{
var innerRect = new Rect(0, 0, width, height);
var geometryDrawing = new GeometryDrawing() { Geometry = new RectangleGeometry(innerRect) };
geometryDrawing.Brush = new SolidColorBrush(GuiHelper.ToWpf(axoColor));
DrawingImage geometryImage = new DrawingImage(geometryDrawing);
geometryImage.Freeze(); // Freeze the DrawingImage for performance benefits.
return geometryImage;
}
public static void DrawCircle(this DrawingGroup drawingGroup, Point centerPoint, double radius, SolidColorBrush brush, Pen pen = null)
{
if (pen == null)
pen = new Pen(brush, 1);
var circle = new EllipseGeometry(centerPoint, radius, radius);
var circleDrawing = new GeometryDrawing(brush, pen, circle);
drawingGroup.Children.Add(circleDrawing);
}
public static void DrawRectangle(this DrawingGroup drawingGroup, Rect rect, SolidColorBrush brush, Pen pen = null)
{
if (pen == null)
pen = new Pen(brush, 1);
var rectangleGeometry = new RectangleGeometry(rect);
var rectangleDrawing = new GeometryDrawing(brush, pen, rectangleGeometry);
drawingGroup.Children.Add(rectangleDrawing);
}
public void ShowMidPoint()
{
DrawingGroup dg = new DrawingGroup();
ImageDrawing id = new ImageDrawing(UnderlayImage, new Rect(0, 0, UnderlayImage.PixelWidth, UnderlayImage.PixelHeight));
dg.Children.Add(id);
GeometryDrawing gd1 = new GeometryDrawing(Brushes.Red, null, middlePointGeoGrp);
dg.Children.Add(gd1);
DrawingImage di = new DrawingImage(dg);
this.Source = di;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.qrDrawing = ((System.Windows.Media.GeometryDrawing)(target));
return;
}
this._contentLoaded = true;
}
private Image CreateImageToHighlightLine(Geometry geometry, LineResultMarker marker)
{
GeometryDrawing backgroundGeometry = new GeometryDrawing(marker.Fill, marker.Outline, geometry);
backgroundGeometry.Freeze();
DrawingImage backgroundDrawning = new DrawingImage(backgroundGeometry);
backgroundDrawning.Freeze();
return new Image {Source = backgroundDrawning};
}
/// <summary>
/// Freezes and then creates an image object from a GeometryGroup.
/// </summary>
/// <param name="brush">The fill brush for the group.</param>
/// <param name="pen">The Border pen for the group.</param>
/// <param name="group">The group to create an image from.</param>
/// <returns>An image object that can be added to the canvas.</returns>
public static Image CreateImage(this GeometryGroup group, Brush brush, Pen pen)
{
group.Freeze();
var drawing = new GeometryDrawing(brush, pen, group);
drawing.Freeze();
var drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
return new Image { Source = drawingImage };
}
StackPanel BuildDrawing()
{
GeometryDrawing drawing = new GeometryDrawing();
// Use geometries to describe two overlapping ellipses.
EllipseGeometry ellipse1 = new EllipseGeometry();
ellipse1.RadiusX = 20;
ellipse1.RadiusY = 45;
ellipse1.Center = new Point(50, 50);
EllipseGeometry ellipse2 = new EllipseGeometry();
ellipse2.RadiusX = 45;
ellipse2.RadiusY = 20;
ellipse2.Center = new Point(50, 50);
GeometryGroup ellipses = new GeometryGroup();
ellipses.Children.Add(ellipse1);
ellipses.Children.Add(ellipse2);
// Add the geometry to the drawing.
drawing.Geometry = ellipses;
// Specify the drawing's fill.
drawing.Brush = Brushes.Blue;
// Specify the drawing's stroke.
Pen stroke = new Pen();
stroke.Thickness = 10.0;
stroke.Brush = new LinearGradientBrush(
Colors.Black, Colors.Gray, new Point(0, 0), new Point(1, 1));
drawing.Pen = stroke;
// Create a DrawingBrush
DrawingBrush myDrawingBrush = new DrawingBrush();
myDrawingBrush.Drawing = drawing;
// Create a Rectangle element.
Rectangle aRectangle = new Rectangle();
aRectangle.Width = 150;
aRectangle.Height = 150;
aRectangle.Stroke = Brushes.Black;
aRectangle.StrokeThickness = 1.0;
// Use the DrawingBrush to paint the rectangle's
// background.
aRectangle.Fill = myDrawingBrush;
StackPanel mainPanel = new StackPanel();
mainPanel.Children.Add(aRectangle);
mainPanel.Arrange(new Rect(100, 100, 500, 500));
//this.drawing2 = mainPanel;
//this.Content = mainPanel;
return mainPanel;
}
public Drawing buildDrawing()
{
GeometryDrawing drawing = new GeometryDrawing();
if (this.penColor.HasValue)
{
drawing.Pen = new Pen(new SolidColorBrush(this.penColor.Value), this.penWidth);
}
if (this.fillColor.HasValue)
{
drawing.Brush = new SolidColorBrush(this.fillColor.Value);
}
drawing.Geometry = buildGeometry();
return drawing;
}
private void SelectDrawing( GeometryDrawing drawing, bool select )
{
if( select )
{
drawing.Brush = Brushes.Red;
drawing.Pen.Brush = Brushes.Red;
drawing.Pen.Thickness *= 2;
}
else
{
drawing.Brush = Brushes.Black;
drawing.Pen.Brush = Brushes.Black;
drawing.Pen.Thickness /= 2;
}
}
public void Clear(SolidBrush brush)
{
var rect = this.ClipBounds;
if (drawingVisual != null)
{
// bitmap
Control.Close();
var newbmp = new swmi.RenderTargetBitmap((int)bounds.Width, (int)bounds.Height, 96, 96, swm.PixelFormats.Pbgra32);
newbmp.Render(visual);
swm.Geometry maskgeometry;
if (clipPath != null)
{
maskgeometry = clipPath.ToWpf();
}
else
{
maskgeometry = new swm.RectangleGeometry(rect.ToWpf());
}
var boundsgeometry = new swm.RectangleGeometry(this.bounds);
maskgeometry = swm.Geometry.Combine(boundsgeometry, maskgeometry, swm.GeometryCombineMode.Exclude, null);
var dr = new swm.GeometryDrawing(swm.Brushes.Black, null, maskgeometry);
var db = new swm.DrawingBrush(dr);
//db.Transform = new swm.TranslateTransform (0.5, 0.5);
Control = drawingVisual.RenderOpen();
PushGuideLines(bounds.X, bounds.Y, bounds.Width, bounds.Height);
Control.PushOpacityMask(db);
Control.DrawImage(newbmp, this.bounds);
Control.Pop();
TransformStack.PushAll();
ApplyClip();
}
else
{
// drawable
if (brush == null || brush.Color.A < 1.0f)
{
Widget.FillRectangle(Brushes.Black(Generator), rect);
}
}
if (brush != null)
{
Widget.FillRectangle(brush, rect);
}
}
public void Clear(SolidBrush brush)
{
var rect = clipBounds ?? initialClip;
if (drawingVisual != null)
{
// bitmap
Control.Close();
var newbmp = new swmi.RenderTargetBitmap((int)bounds.Width, (int)bounds.Height, 96, 96, swm.PixelFormats.Pbgra32);
newbmp.RenderWithCollect(visual);
swm.Geometry maskgeometry;
if (clipPath != null)
{
maskgeometry = clipPath;
}
else
{
maskgeometry = new swm.RectangleGeometry(rect.ToWpf());
}
var boundsgeometry = new swm.RectangleGeometry(bounds);
maskgeometry = swm.Geometry.Combine(boundsgeometry, maskgeometry, swm.GeometryCombineMode.Exclude, null);
var dr = new swm.GeometryDrawing(swm.Brushes.Black, null, maskgeometry);
var db = new swm.DrawingBrush(dr);
//db.Transform = new swm.TranslateTransform (0.5, 0.5);
Control = drawingVisual.RenderOpen();
Control.PushGuidelineSet(new swm.GuidelineSet(new [] { bounds.Left, bounds.Right }, new [] { bounds.Top, bounds.Bottom }));
Control.PushOpacityMask(db);
Control.DrawImage(newbmp, bounds);
Control.Pop();
ApplyAll();
}
else
{
// drawable
if (brush == null || brush.Color.A < 1.0f)
{
Widget.FillRectangle(Brushes.Black, rect);
}
}
if (brush != null)
{
Widget.FillRectangle(brush, rect);
}
}
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
private static void BrushPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
// will promote the property value from a default value to a local value. This is technically a sub-property
// change because the collection was changed and not a new collection set (GeometryGroup.Children.
// Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
// the default value to the compositor. If the property changes from a default value, the new local value
// needs to be marshalled to the compositor. We detect this scenario with the second condition
// e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
// Default and the NewValueSource will be Local.
if (e.IsASubPropertyChange &&
(e.OldValueSource == e.NewValueSource))
{
return;
}
GeometryDrawing target = ((GeometryDrawing)d);
Brush oldV = (Brush)e.OldValue;
Brush newV = (Brush)e.NewValue;
System.Windows.Threading.Dispatcher dispatcher = target.Dispatcher;
if (dispatcher != null)
{
DUCE.IResource targetResource = (DUCE.IResource)target;
using (CompositionEngineLock.Acquire())
{
int channelCount = targetResource.GetChannelCount();
for (int channelIndex = 0; channelIndex < channelCount; channelIndex++)
{
DUCE.Channel channel = targetResource.GetChannel(channelIndex);
Debug.Assert(!channel.IsOutOfBandChannel);
Debug.Assert(!targetResource.GetHandle(channel).IsNull);
target.ReleaseResource(oldV, channel);
target.AddRefResource(newV, channel);
}
}
}
target.PropertyChanged(BrushProperty);
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] MathInline obj)
{
var text = obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
TexFormula formula = null;
try
{
formula = formulaParser.Parse(text);
}
catch (Exception)
{
renderer.WriteInline(new Run("[!!FORMULA PARSE ERROR!!]")
{
Tag = obj
});
return;
}
var fontSize = renderer.CurrentFontSize();
var formulaRenderer = formula.GetRenderer(TexStyle.Display, fontSize, "Arial");
var geo = formulaRenderer.RenderToGeometry(0, 0);
var geoD = new System.Windows.Media.GeometryDrawing(Brushes.Black, null, geo);
var di = new DrawingImage(geoD);
var uiImage = new System.Windows.Controls.Image()
{
Source = di
};
uiImage.Height = formulaRenderer.RenderSize.Height; // size image to match rendersize -> get a zoom of 100%
uiImage.Margin = new System.Windows.Thickness(0, 0, 0, -formulaRenderer.RenderSize.Height * formulaRenderer.RelativeDepth); // Move image so that baseline matches that of text
var uiInline = new System.Windows.Documents.InlineUIContainer()
{
Child = uiImage,
Background = Brushes.Yellow,
BaselineAlignment = System.Windows.BaselineAlignment.Baseline,
Tag = obj,
};
renderer.WriteInline(uiInline);
}
protected override void Write([NotNull] WpfRenderer renderer, [NotNull] MathBlock obj)
{
string text = string.Empty; // obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
for (int i = 0; i < obj.Lines.Count; ++i)
{
var l = obj.Lines.Lines[i];
text += l.Slice.Text.Substring(l.Slice.Start, l.Slice.Length);
}
if (string.IsNullOrEmpty(text))
{
return;
}
TexFormula formula = null;
try
{
formula = formulaParser.Parse(text);
}
catch (Exception)
{
var paragraph = new Paragraph()
{
Tag = obj
};
renderer.Push(paragraph);
renderer.WriteInline(new Run("[!!FORMULA PARSE ERROR!!]")
{
Tag = obj
});
renderer.Pop();
return;
}
var fontSize = renderer.CurrentFontSize();
if (fontSize <= 0)
{
throw new InvalidProgramException();
}
var formulaRenderer = formula.GetRenderer(TexStyle.Display, fontSize, "Arial");
var geo = formulaRenderer.RenderToGeometry(0, 0);
var geoD = new System.Windows.Media.GeometryDrawing(Brushes.Black, null, geo);
var di = new DrawingImage(geoD);
var uiImage = new System.Windows.Controls.Image()
{
Source = di
};
uiImage.Height = formulaRenderer.RenderSize.Height; // size image to match rendersize -> get a zoom of 100%
// uiImage.Margin = new System.Windows.Thickness(0, 0, 0, -formulaRenderer.RenderSize.Height * formulaRenderer.RelativeDepth); // Move image so that baseline matches that of text
var uiBlock = new System.Windows.Documents.BlockUIContainer()
{
Child = uiImage,
Tag = obj,
};
renderer.WriteBlock(uiBlock);
}
protected override void HandleDragOver(sw.DragEventArgs e, DragEventArgs args)
{
var lastRow = LastDragRow;
base.HandleDragOver(e, args);
var info = LastDragInfo = GetDragInfo(args);
if (args.Effects != DragEffects.None)
{
// show drag indicator!
var row = GetDataGridRow(info.Item ?? info.Parent);
if (row != null)
{
// same position, just return
if (lastRow != null && lastRow.IsEqual(row, info.InsertIndex))
{
return;
}
lastRow?.Revert();
LastDragRow = new GridDragRowState(row, info.InsertIndex);
if (info.InsertIndex == -1)
{
row.Background = sw.SystemColors.HighlightBrush;
row.Foreground = sw.SystemColors.HighlightTextBrush;
}
else
{
var node = controller.GetNodeAtRow(row.GetIndex());
var level = node.Level + 1; // indicator to the right of the expanders to align with text
var i = info.Parent as ITreeGridItem;
if (info.Position == GridDragPosition.After && ReferenceEquals(info.Item, null))
{
level++;
}
level *= 16;
var d = new swm.GeometryDrawing();
var gg = new swm.GeometryGroup();
gg.Children.Add(new swm.EllipseGeometry(new sw.Point(0, 0), 2, 2));
gg.Children.Add(new swm.LineGeometry(new sw.Point(2, 0), new sw.Point(row.ActualWidth - level - 16, 0)));
d.Geometry = gg;
d.Brush = sw.SystemColors.HighlightBrush;
d.Pen = new swm.Pen(sw.SystemColors.HighlightBrush, 1);
var b = new swm.DrawingBrush {
Drawing = d, TileMode = swm.TileMode.None, Stretch = swm.Stretch.None, AlignmentX = swm.AlignmentX.Left
};
if (info.InsertIndex == node.Index)
{
b.AlignmentY = swm.AlignmentY.Top;
row.BorderThickness = new sw.Thickness(0, 5, 0, 0);
}
else
{
b.AlignmentY = swm.AlignmentY.Bottom;
row.BorderThickness = new sw.Thickness(0, 0, 0, 5);
}
b.Transform = new swm.TranslateTransform(level, 0);
row.BorderBrush = b;
}
return;
}
}
ResetDrag();
}
